Extreme Networks ExtremeWare XOS Guide Manual page 18

Contents
Appendix B: Troubleshooting ....................................................................................................... 609
Troubleshooting Checklists.......................................................................................................609
Layer 1 ............................................................................................................................609
Layer 2 ............................................................................................................................610
Layer 3 ............................................................................................................................610
LEDs......................................................................................................................................612
Using the Command Line Interface ...........................................................................................614
General Tips and Recommendations ...................................................................................614
MSM Prompt-Modular Switches Only ................................................................................616
Command Prompt .............................................................................................................616
Port Configuration .............................................................................................................617
VLANs..............................................................................................................................618
STP .................................................................................................................................618
ESRP ...............................................................................................................................619
VRRP ...............................................................................................................................620
Using Standalone ELRP to Perform Loop Tests ..........................................................................620
About Standalone ELRP.....................................................................................................621
Configuring Standalone ELRP.............................................................................................621
Displaying Standalone ELRP Information.............................................................................622
Using the Rescue Software Image-Modular Switches Only.........................................................623
Obtaining the Rescue Image from a TFTP Server ..................................................................623
Obtaining the Rescue Image from an External Compact Flash Memory Card-
BlackDiamond 8800 Family of Switches Only ......................................................................624
Debug Mode ...........................................................................................................................626
Saving Debug Information to the Memory Card...........................................................................626
Enabling the Switch to Send Debug Information...................................................................627
Copying Debug Information ................................................................................................627
Managing Files on the External Memory Card-Modular Switches Only ...................................627
TOP Command........................................................................................................................629
TFTP Server Requirements.......................................................................................................629
System Health Check-Modular Switches Only ..........................................................................629
Overview of the System Health Checker ...............................................................................629
Enabling and Disabling Backplane Diagnostic Packets on the Switch .....................................630
Configuring Backplane Diagnostic Packets on the Switch ......................................................631
System Odometer....................................................................................................................631
Monitored Components ......................................................................................................631
Recorded Statistics ...........................................................................................................631
Temperature Operating Range ..................................................................................................632
Corrupted BootROM on the BlackDiamond 8800 Family of Switches............................................633
Inserting Powered Devices in the PoE Module-BlackDiamond 8800 Family of Switches Only........633
Untagged Frames on the 10 Gbps Module-BlackDiamond 10K Switch Only................................633
Running MSM Diagnostics from the Bootloader-BlackDiamond 10K Switch Only ........................633
Contacting Extreme Networks Technical Support........................................................................634
Appendix C: CNA Agent................................................................................................................ 635
Overview ................................................................................................................................635
Redundancy-BlackDiamond 10K Switch and BlackDiamond 8800 Family of Switches Only ...636
Downloading the CNA Agent Software Module............................................................................636
Running the Tests ...................................................................................................................636
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ExtremeWare XOS 11.3 Concepts Guide